:root {
  --bg: #f4f5f2; --surface: #ffffff; --ink: #1b1f1a; --muted: #5f6b60; --line: #d9ddd5;
  --accent: #2f6b4f; --accent-ink: #ffffff; --warn-bg: #f6ecd6; --bad: #a3322a;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121512; --surface: #1a1e1a; --ink: #e5e9e3; --muted: #9aa69b; --line: #2d332d;
    --accent: #7cc39e; --accent-ink: #0d1a12; --warn-bg: #33291a; --bad: #ef8b82;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.box { max-width: 440px; margin: 12vh auto 0; padding: 24px 16px; text-align: center; display: flex; flex-direction: column; gap: 14px; align-items: center; }
h1 { font-size: 1.8rem; margin: 0; }
button, .button { font: inherit; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 6px; padding: 8px 14px; cursor: pointer; text-decoration: none; display: inline-block; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.button.vk { background: #0077ff; color: #fff; font-weight: 600; padding: 12px 22px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.error { background: var(--warn-bg); color: var(--bad); border-radius: 6px; padding: 8px 12px; margin: 0; }
.pick { list-style: none; padding: 0; margin: 0; width: 100%; display: flex; flex-direction: column; gap: 8px; }
.pick form { display: flex; flex-direction: column; align-items: center; gap: 2px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 10px; margin: 0; }
.pick button { width: 100%; }